Rocks and Minerals

• Gemstone
• Igneous Petrology
• Metallic Deposits
• Metamorphic Petrology
• Meteorites
• Minerals

• Mining@
• Non-Metallic Deposits
• Rock and Mineral Localities
• Rockhounding
• Sedimentary Petrology

• Education
• Organizations
• Publications
• Shopping

• Collecting Rocks  - USGS informative article on rocks.
• Gem Guides Book Company  - Publishes data about rocks, minerals, gemstones, geology, fossils, dinosaurs, gem trails, rock collecting, jewelry crafts, and more.
• John F. Rakovan – Geology Professor  - Specializes in environmentally significant processes such as crystal growth, metal sorption, trace element partitioning and other surface mediated reactions.
• Mineral Resources Program  - Features funds for information related to mineral resources in Eastern, Central, and Western America.
• Minerals of the United States  - Searchable picture gallery of minerals in every state in the U.S.
• Perlite  - Provides information on the siliceous rock and its various applications.
• YupRocks  - Source for rock and mineral photography.